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So the variety of L21 andLainong9217 should be planted in dry land of high yield,and the variety ofLainong8834 and YD27 in dry land of middle yield,and gaining high yieldand high efficiency.2 The researches on the flag leaf and root system senescence after anthesisand yield were studied in dry land wheat of high yield,the activity of super-oxide dismatase and catalase、and the soluble protein content、Cytokinincontent in wheat flag leaf and root system after anthesisand Cytokinincontent in grain decreased slowly,and the content ofmalondiadehydeand the Abscisic Acidcontent in wheat flagleaf and root system and the Abscisic Acidcontent in grain increasedslowly,meanwhile keep higher root vigor and the root vigor decreased slow-ly,the result would be benefit to delay the senescence and gain high yield.3 The effects of soil thickness on the senescence of flag leaf and root sys-tem、nitrogen distribution and utilization and water consumption law andyield in dry land wheat had been studied in soil column and field.

通过大田条件下旱地高产小麦耗水规律及产量变化的研究表明,4个品种耗水量、产量、水分生产率、籽粒产量中来自花后光合器官输送的比例及综合效益评判结果均以鲁麦21和莱农9217为高,而莱农8834和烟D27则与此相反,因而在旱地高产麦田应以种植鲁麦21和莱农9217为主,中产麦田以莱农8834和烟D27为主,以获得高产高效。2在旱地高产大田对鲁麦21与烟D27两品种花后旗叶、根系衰老及产量变化进行了研究,认为花后旗叶与根系SOD、CAT活性、可溶性蛋白质含量、i-PAs含量及籽粒iPAs含量降低缓慢,MDA含量、ABA含量及籽粒ABA含量增加缓慢,同时保持较高的根系活力且下降缓慢,有利于延缓衰老,形成高产。3土层厚度对旱地小麦花后衰老、氮素分配利用及产量的影响进行了研究,随土层厚度加深,根系活力、根系与旗叶SOD、CAT活性及可溶性蛋白质含量增加,MDA含量减少,土层愈薄,其根系与旗叶衰老愈快。

The results as followed:gaining high yield must keep higher flagleaf and canopyphotosynthetic rate after anthesis,highter flag leaf andcanopy photosyntheticrate would be benefit to keep grain filling rate andform high yield.

在旱地高产大田通过对L21与D27两品种旗叶与群体光合速率、籽粒灌浆速率及产量变化的研究,认为旱地小麦要获得高产必须保持花后高的旗叶与群体光合速率,以有利于籽粒灌浆速率维持,形成高产

Visual Rice Growth Models system represented an effort to design crop modeling software with object-oriented paradigm and to organize classes in system with model-document-view architecture. Firstly, the crop-environment system was abstracted as many subsystems and physiological processes with object-oriented paradigm while many classes were established to simulate the behaviors of these subsystems and physiological processes. In VRGM, the document-view architecture in Visual C++ was extended as model-document-view architecture for agricultural integrated system. In the model-document-view architecture, document gets the final simulation results by manipulating the models classes and acts as a communicating intermediacy between model and view. Views display the simulation results and translate users' operation and data entering to document. The architecture separates the domain models, data management and user interface.

中文题名可视水稻生长模型与智能栽培专家系统的研制副题名外文题名 Studies on visual rice growth models and cultivation expert system of computational intelligence 论文作者米湘成导师邹应斌研究员学科专业作物栽培学与耕作学研究领域\研究方向作物模拟与专家系统学位级别博士学位授予单位湖南农业大学学位授予日期2001 论文页码总数64页关键词作物生长模拟生长模型水稻馆藏号BSLW /2003 /S126 /2 本研究系国家"九五"攻关项目"水稻大面积高产综合配套技术研究与示范"课题的子专题,并结合水稻高产栽培技术资料和水稻专家的知识、经验以及科研成果,研制成了可视水稻生长模型(Visual Rice Growth Models,VRGM)及水稻高产栽培专家系统,并在此基础上进一步利用人工神经网络模型、模糊逻辑技术和田间栽培试验,对生长模型和专家系统进行了改进。

By the research of 'reselection of high-yield clones of Pinus massoniana', 58 fast-growth and high-yield clones were selected. Their genetic gains were 51.29%(the highest was 116.82%), and could be used to build high-yield seed orchard of Pinus massoniana.

通过"马尾松高产无性系再选择研究",筛选出58个速生、高产无性系,平均遗传增益达51.29%(最高达116.82%),可用于营建马尾松高产种子园。

Methods: We collected 121 of clinical isolates of Enterobacter, including 87 isolates Enterobacter cloacae, 34 isolates Enterobacter aerogenes, all of the isolates were detected by cefoxitin three-dimension test, drug resistance phenotypes estimation, cloxacillin disc synergy test and cloxacillin-potentiated disc diffusion test respectively to find high-level AmpC β-lactamase isolates, drug resistance phenotypes estimation were also used to detected high induction producing AmpC β-lactamases isolates, meanwhile, we took three-dimension test as standard method, and compared to other methods, then calculated the coincidence rates, sensitivities and specificities of them.

采用头孢西丁三维实验、纸片耐药表型推断法、邻氯西林纸片协同法、双纸片邻氯西林增效试验分别检测高产AmpCβ-内酰胺酶株,获得高产AmpC酶在肠杆菌属细菌中的表达状况。采用纸片耐药表型推断法检测诱导和高产AmpC酶,同时以头孢西丁三维实验为标准,其他三种方法与之相比较,分析它们检测高产AmpC酶的符合率、灵敏度和特异性。

Strains of high alcohol-producing or high ethyl acetate-producing yeasts were isolated from koji of Shanxi overmature vinegar at different temperatures. One high alcohol-producing yeast Nz19.3 and one high ethyl acetate-producing yeast Nz9.8 were identified as Saccharomyces cerevisiae and Hansenula anomala, respectively.

通过对山西老陈醋大曲的富集培养,筛选到9株高产乙醇或高产乙酸乙酯的酵母菌功能菌株,分别挑选高产乙醇和乙酸乙酯的酵母菌各1株(经分类鉴定,二者分别为酿酒酵母和异常汉逊酵母)进行共培养试验。

Path analysis showed that N translocation rate of culm was higher for the high fresh ear yield varieties,while the N translocation rate of culm and tassel was higher for the high fresh kernel yield varieties,and the N translocation rate of leaf,bracteal leaf and ear axis was higher for the high kernel yield varieties.In addition,higher N translocation rate of leaf had a beneficial effect on N utilization efficiency as for fresh ear,fresh kernel or maturity kernel of the produce of waxy corn.

通径分析表明,鲜穗高产品种茎秆的氮素转移率较高,鲜子粒高产品种茎秆和雄穗的氮素转移率较高,成熟子粒高产品种叶片、苞叶及穗轴的氮素转移率均较高;叶片的氮素转移率高有利于品种鲜穗、鲜子粒及成熟子粒氮素利用效率的提高。

Studies on the mutant breeding of high-yield gibberellins strain The protoplast of Gibberella fujikuroi m978 were treated by mutation breeding forhigh-yield gibberellins, LiCl mutation was better than DES mutation or UV irradiation ifsingle mutation, but any single mutation was worse than compound mutation by whichthe mutants were more overproducting and genetically stable.

采用传统诱变育种,筛选高产菌株在原生质体条件下,对赤霉素产生菌m978的原生质体进行菌种选育;使用单因子诱变方法,LiCl处理的效果优于DES诱变和UV诱变;复合诱变比单因子诱变更容易得到高产突变株,且获得的高产突变株稳定性更优。

Physiologicalmechanism of high yielding corn in the ravined valley was studied. Based on the results,the technical regime of ecologically adverse resistant and high yielding cultivation forthe corn in the ravined gully has been constructed. The major detailed techniques for theregime are ridging-ploughing in autumn and film-mulching during the thawing time inspring, adopting compact corn varieties with big ears and grains and adequately longgrowing stage, fertilizing adequately at seedtime and at jointing stage and irrigatingwith floodwater in the middle and late. The standardized techniques have also beenestablished.

&九五&期间,我们以充分发挥沟谷地的生态资源优势和育壮苗、攻大穗、增粒重的玉米高产规律为结合点,研究与明确了沟谷地高产玉米的生理机制,组建了以秋耕起垄顶凌覆膜保墒、选用紧凑型&三大&玉米品种、施足底肥重攻拔节肥、中后期洪淤补灌等四项技术为核心的沟谷地玉米生态抗逆高产栽培技术体系,制定了针对性强、技术准确、便于操作、简单易行的规范化技术。

The deep cultivation-root cutting in before winter stage would increasethe weight and ratio of root system in middle and lower layer,the resultswould decrease the root redundancy.

冬前深耘断根可增加中、下层根系的重量和比率,降低根系生长冗余性,控制最高总茎数,提高成穗数及成穗率,使籽粒产量中来自花后光合器官输送的比例增加,从而使产量提高,因而在旱地高产麦田应推广冬前深耘断根。6研究了降水量对旱地高产小麦耗水规律及产量的影响,拔节前降水多且占比重高,土壤供水量及占比重少,拔节后降水量减少且占比重低,土壤供水量及占比重高,利于在旱地高产麦田形成高产

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